Add tests for SHA2 HMAC algorithms
Add tests for SHA2 HMAC algorithms

BUG: https://red.libssh.org/issues/91

Reviewed-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@cryptomilk.org>

mwgoldsmith/ssh,pouete/libssh,elastichosts/libssh,robxu9/libssh,taikoo/libssh,wangshawn/libssh,robxu9/libssh,mwgoldsmith/libssh,mwgoldsmith/libssh,Distrotech/libssh,pouete/libssh,Distrotech/libssh,mwgoldsmith/ssh,sebadoom/libssh,kedazo/libssh,DouglasHeriot/libssh,wangshawn/libssh,mwgoldsmith/ssh,Distrotech/libssh,elastichosts/libssh,taikoo/libssh,wangshawn/libssh,mwgoldsmith/ssh,kedazo/libssh,pouete/libssh,pouete/libssh,sebadoom/libssh,mwgoldsmith/libssh,taikoo/libssh,mwgoldsmith/libssh,nviennot/libssh,sebadoom/libssh,DouglasHeriot/libssh,robxu9/libssh,Distrotech/libssh,DouglasHeriot/libssh,robxu9/libssh,wangshawn/libssh,kedazo/libssh,nviennot/libssh,sebadoom/libssh,nviennot/libssh,kedazo/libssh,nviennot/libssh,taikoo/libssh,DouglasHeriot/libssh,elastichosts/libssh